https://bugs.kde.org/show_bug.cgi?id=418591
--- Comment #4 from Adley <adleyv...@gmail.com> --- Hi, It's back to normal after I installed the qtwebengine. the help file show immediately and the latex greek letters and symbols display normally. I am not sure whether it's the solution (since many other updates during the time). -- You are receiving this mail because: You are watching all bug changes.
